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  • GSM/GPRS/GPS SIM808 Shield For Arduino
  • GSM/GPRS/GPS SIM808 Shield For Arduino
  • GSM/GPRS/GPS SIM808 Shield For Arduino
  • GSM/GPRS/GPS SIM808 Shield For Arduino
  • GSM/GPRS/GPS SIM808 Shield For Arduino
  • GSM/GPRS/GPS SIM808 Shield For Arduino

GSM/GPRS/GPS SIM808 Shield For Arduino

Product is discontinued.

Product Description

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Note: The Arduino UNO in the photo is not included.

The GSM/GPRS/GPS board is an Arduino shield based on the Quad-band GSM/GPRS/GPS module SIM808, providing cellular and GPS tracking, all in one module. It lets you add location-tracking, voice, text, SMS and data to your project. This shield fits right over your Arduino or compatible. At the heart is a powerful GSM cellular module (we use the latest SIM808) with integrated GPS. This module can do just about everything.

The SIM808 module is a GSM and GPS two-in-one function module. It is based on the newest GSM/GPS module SIM808 from SIMCOM, and it supports GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation.

It features ultra-low power consumption in sleep mode and is integrated with charging circuit for Li-Ion batteries, that make it get a long standby time and useful for projects that use a rechargeable Li-Ion battery. It has high GPS receive sensitivity with 22 tracking and 66 acquisition receiver channels. Besides, it also supports A-GPS that available for indoor localization.

The module is controlled by AT command via UART and supports 3.3 VDC and 5 VDC logical level.



  • Arduino connectivity, compatible with UNO, Leonardo, NUCLEO, XNUCLEO
  • Onboard USB TO UART converter CP2102 for UART debugging
  • 5 x LEDs for indicating the module working status
  • Onboard voltage level converter, supports both 3.3V and 5V systems
  • SIM card slot for 1.8V/3V SIM card
  • Baudrate auto detection (1200bps ~115200bps)
  • Bluetooth 3.0, supports data transferring through Bluetooth
  • RTC with power supply interface
  • Firmware upgradable via USB
  • Control via AT commands (3GPP TS 27.007,27.005, and SIMCOM enhanced AT Commands)
  • Supports SIM application toolkit: GSM 11.14 Release 99
  • Operating voltage: 6 ~ 12V
  • Operation temperature: -40 °C ~ +85 °C
  • Storage temperature: -45 °C ~ +90 °C


  • Band
    • GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz
    • Quad-band auto search
    • Compliant to GSM phase 2/2+
  • Emitting power
    • Class 4 (2W @ GSM 850/EGSM 900 MHz)
    • Class 1 (1W @ DCS 1800/PCS 1900 MHz)
  • GPRS connectivity
    • GPRS multi-slot class 12 (default)
    • GPRS multi-slot class 1~12 (configurable)
  • GPRS data feature
    • Downlink speed: max 85.6kbps
    • Uplink speed: max 85.6kbps
    • Coding schemes: CS-1\CS-2\CS-3\CS-4
    • Supports PAP (Password Authentication Protocol) for PPP connection
    • Embedded TCP/IP protocol
    • Supports PBCCH
    • Supports CSD transmission speed: 2.4/4.8/9.6/14.4 kbps
    • Supports USSD
  • SMS
    • Supports: MT/MO/CB/Text/PDU mode
    • SMS storage: SIM card
  • Audio
    • Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate
    • Supports echo cancellation
    • Supports noise reduction


  • Receiver type
    • 22 tracking channels
    • 66 acquisition channels
    • GPS L1 C/A code
  • Sensitivity
    • Tracking: -165 dBm
    • Cold starts : -148 dBm
  • Time-To-First-Fix
    • Cold starts : 30s (typ.)
    • Hot starts : < 1s
    • Warm starts: 28s
  • Accuracy
    • Horizontal position : <2.5m CEP

Board Components

GSM-GPRS-GPS-Shield-Board Components

  1. SIM808 module
  2. MIC29302 power chip
  3. CP2102: USB TO UART converter
  4. SMF05C: TVS diode
  5. 1N5408: onboard rectifier
  6. SIM808 functional pins
  7. Arduino expansion connector
  8. USB TO UART interface
  9. DC power jack
  10. GPS antenna connector
  11. Bluetooth antenna connector
  12. Firmware upgrade interface
  13. GSM antenna connector
  14. SIM card slot
  15. 3.5mm earphone/mic jack
  16. GPS status indicator
  17. CP2102 UART Tx/Rx indicator
  18. NET indicator:
    • flashes fast when the module starts up
    • flashes slowly after GSM register succeed
  19. Power indicator
  20. Power switch
  21. SIM808 control button: press the button and hold for 1s, to startup/shutdown the SIM808
  22. Reset button
  23. UART selection switch, select controlling the SIM808 via:
    • CP2102
    • UART pins of Arduino interface
  24. SIM808 UART configuration:
    • SIM_TX: SIM808 UART TX
    • SIM_RX: SIM808 UART RX
  25. IOREF power selection: configure the UART voltage level



Development Resources

Application Notes

GSM & GPS Projects With ArduinoGSM & GPS Projects With Arduino

Easily Build GSM & GPS Projects Using the Arduino Platform! In GSM & GPS Projects With Arduino, Marco Schwartz from the Open Home Automation website presents a step-by-step method to build your own connected projects using the Adafruit FONA board and the Arduino platform.

  • Use GSM & GPS hardware with the Arduino platform
  • Send alerts via SMS & monitor data remotely
  • Control devices from anywhere in the world via GPRS
  • Build an Arduino GPS tracker

Get this book now to start building your own GSM & GPRS projects with Arduino!

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